package com.lagou.edu.service;

import com.lagou.edu.pojo.BillDetail;

import java.util.List;
import java.util.Map;

public interface BillDetailService {

    void addBillDetail(BillDetail bill);
    List<BillDetail> queryBillDetail(String billNum);
    void deleteBillDetail(String billNum,String detailNum);
    void updateBillDeail(Map<String, String> map);


}
